Nonstationary perturbation theory for a degenerate discrete level

DOI10.1007/BF01040133zbMath0413.47019MaRDI QIDQ1260582

A. L. Kitanin

Publication date: 1976

Published in: Theoretical and Mathematical Physics (Search for Journal in Brave)

zbMATH Keywords

evolution operatornonstationary perturbation

Mathematics Subject Classification ID

Perturbation theory of linear operators (47A55) Scattering theory of linear operators (47A40)

Related Items (1)

Adiabatic invariants of Herglotz type for perturbed nonconservative Lagrangian systems

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